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102642260086 = 251321130043
BaseRepresentation
bin101111110010111110…
…1001001100001110110
3100210221022112001200101
41133211331021201312
53140202404310321
6115053031504314
710262366546452
oct1374575114166
9323838461611
10102642260086
113a591975223
1217a8682809a
1398aa05ab52
144d79d43662
152a0b1b6791
hex17e5f49876

102642260086 has 4 divisors (see below), whose sum is σ = 153963390132. Its totient is φ = 51321130042.

The previous prime is 102642260059. The next prime is 102642260087. The reversal of 102642260086 is 680062246201.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×1026422600863 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102642260087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25660565020 + ... + 25660565023.

It is an arithmetic number, because the mean of its divisors is an integer number (38490847533).

Almost surely, 2102642260086 is an apocalyptic number.

102642260086 is a deficient number, since it is larger than the sum of its proper divisors (51321130046).

102642260086 is an equidigital number, since it uses as much as digits as its factorization.

102642260086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51321130045.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 102642260086 in words is "one hundred two billion, six hundred forty-two million, two hundred sixty thousand, eighty-six".

Divisors: 1 2 51321130043 102642260086